Unlock the rest of the settings without playing hours on end
When you are playing, go to the operator menu by pressing and holding the Launch button then press start. Now go to the adjustments(2) menu and choose the feature adjustments (2.2) and then the initial time zone (2.2.1)and change the timezone to Random. Then you go to the tests menu (3) and choose the Switch Levels Test (3.1) and choose the Timezone Lock Delta (3.1.47) and hold both flipper buttons for 2 seconds at least. There, the settings have been unlocked and you can now change them from the operator menu.